Passiflora Plex 1 oz. is an excellent homeopathic remedy for anxiety and sleep disorders. Passiflora Plex 1 oz.. whose ingredients include passionflower. unroasted coffee and magnesium. works to calm the nervous system. thereby providing relief from stress and anxiety. It also treats other anxiety-related ailments such as digestive problems. insomnia. hormone imbalance and weakened immune system.